This deck works well but I feel like I may be missing cards or may have overdone it so please recommend changes.
Trainers:
4, Professor Juniper
1, Lysandre
2, Repeat Ball
2, Ultra Ball
3, Battle Compressor
2, Professor's Letter
1, Town Map
4, Muscle Band
4, Switch
4, Steel Shelter
Pokémon:
2, Jirachi
3, Heatran
1, Aegislash EX
4, Dialga EX
4, Bronzor
4, Bronzong
2, Cobalion EX
1, Shaymin EX
Energy:
8, Metal Energy
4, Double Colorless Energy
Trainers:
4, Professor Juniper
1, Lysandre
2, Repeat Ball
2, Ultra Ball
3, Battle Compressor
2, Professor's Letter
1, Town Map
4, Muscle Band
4, Switch
4, Steel Shelter
Pokémon:
2, Jirachi
3, Heatran
1, Aegislash EX
4, Dialga EX
4, Bronzor
4, Bronzong
2, Cobalion EX
1, Shaymin EX
Energy:
8, Metal Energy
4, Double Colorless Energy